• (adj): Pertaining to a feature of speech that extends over more than a single speech sound.

Some articles on suprasegmental:

Skolt Sami Language - Phonology - Suprasegmentals
... There is one phonemic suprasegmental, the palatalizing suprasegmental that affects the pronunciation of an entire syllable ... In written language the palatalizing suprasegmental is indicated with a free-standing acute accent between a stressed vowel and the following consonant, as follows vääˊrr 'mountain, hill' (suprasegmental ... väärr 'trip' (no suprasegmental palatalization) The suprasegmental palatalization has three distinct phonetic effects The stressed vowel is pronounced as slightly more fronted in ...